28400918

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5381}}^1$

素因数の和:5432

約数の個数: 32

約数和(自身を含む): 54250560

約数和(自身を除く): 25849642

約数列:

[1, 2, 7, 13, 14, 26, 29, 58, 91, 182, 203, 377, 406, 754, 2639, 5278, 5381, 10762, 37667, 69953, 75334, 139906, 156049, 312098, 489671, 979342, 1092343, 2028637, 2184686, 4057274, 14200459, 28400918]

約数ペア:

[(1, 28400918), (2, 14200459), (7, 4057274), (13, 2184686), (14, 2028637), (26, 1092343), (29, 979342), (58, 489671), (91, 312098), (182, 156049), (203, 139906), (377, 75334), (406, 69953), (754, 37667), (2639, 10762), (5278, 5381)]